Andreas Ziegler

Andreas Ziegler

Professor of International Law at the University of Lausanne

Andreas Ziegler is Professor of International Law and Academic Director of the LLM in International and European Economic and Commercial Law at the University of Lausanne.

He regularly advises governments, international organizations, NGOs and private clients and represents them before various domestic and international courts and arbitral tribunals. He is also on the permanent roster of panellists for the World Trade Organization (WTO) and International Centre for Settlement of Investment Disputes (ICSID).

Prior to joining the University of Lausanne, Andreas Ziegler worked for the Swiss Government, European Commission, Secretariat of the European Free Trade Association (EFTA) and a law firm in Zurich on trade and investment issues. In these roles he negotiated several multilateral and bilateral agreements and was also a delegate to the WTO, UNCTAD, OECD, Energy Charter and other international organizations.

He has published widely on European law, public international law, international courts and tribunals, as well as trade and investment. In addition, he has a strong interest in the human rights of LGBTI persons.


Cover of the book Völkerrecht/Droit international public, Aide-mémoire, 2nd ed

Völkerrecht/Droit international public, Aide-mémoire, 2nd ed

June 2013

Marco Sassòli, Andreas Ziegler, Samantha Besson, Stephan Breitenmoser


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